With over 17 years of experience in the bar code industry, Bob Dunphy has been Principal Engineer at Omniplanar, Inc (http://www.omniplanar.com) since its inception. He has designed numerous CCD camera systems as well as high speed processing platforms.
Image Processing Documents that are scanned for image processing or storage are often captured at 8 bits per pixel. These are referred to as grayscale images in that 256 levels of gray are able to be represented in the image. The capability to represent shades of gray is required to faithfully capture photographs and graphics but is not normally needed for text. Consequently, scanned images are often binarized....... Similar Editorial : Image Does Matter by Lorraine Pirihi. | Source : Microsoft Windows Xp Tablet Pc Edition 2005
The Effects Of Fax Transmission On Bar Code Decoding When documents containing bar code symbols are faxed, the quality of the bar code symbol will degrade. Documents scanned by fax machines in Standard Resolution are sampled with 204 horizontal dots per inch and 98 vertical dots per inch. Each sample point is then converted to either a white or black value (a process known as binarization). The binarization process converts straight lines of the bar...... Similar Editorial : Decoding Chinese Forms by Stefan Verstappen. | Source : What Is The Best Computer